1 // Auto-generated file. Do not edit!
2 //   Template: src/f32-vlrelu/sse.c.in
3 //   Generator: tools/xngen
4 //
5 // Copyright 2020 Google LLC
6 //
7 // This source code is licensed under the BSD-style license found in the
8 // LICENSE file in the root directory of this source tree.
9 
10 #include <assert.h>
11 
12 #include <smmintrin.h>
13 
14 #include <xnnpack/common.h>
15 #include <xnnpack/vunary.h>
16 
17 
xnn_f32_vlrelu_ukernel__sse41_x8(size_t n,const float * x,float * y,const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS (1)])18 void xnn_f32_vlrelu_ukernel__sse41_x8(
19     size_t n,
20     const float* x,
21     float* y,
22     const union xnn_f32_lrelu_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
23 {
24   assert(n != 0);
25   assert(n % sizeof(float) == 0);
26 
27   const __m128 vslope = _mm_load_ps(params->sse.slope);
28   for (; n >= 8 * sizeof(float); n -= 8 * sizeof(float)) {
29     const __m128 vx0123 = _mm_loadu_ps(x);
30     const __m128 vx4567 = _mm_loadu_ps(x + 4);
31     x += 8;
32 
33     __m128 vacc0123 = _mm_mul_ps(vx0123, vslope);
34     __m128 vacc4567 = _mm_mul_ps(vx4567, vslope);
35 
36     vacc0123 = _mm_blendv_ps(vx0123, vacc0123, vx0123);
37     vacc4567 = _mm_blendv_ps(vx4567, vacc4567, vx4567);
38 
39     _mm_storeu_ps(y, vacc0123);
40     _mm_storeu_ps(y + 4, vacc4567);
41     y += 8;
42   }
43   for (; n >= 4 * sizeof(float); n -= 4 * sizeof(float)) {
44     const __m128 vx = _mm_loadu_ps(x);
45     x += 4;
46 
47     __m128 vacc = _mm_mul_ps(vx, vslope);
48     vacc = _mm_blendv_ps(vx, vacc, vx);
49 
50     _mm_storeu_ps(y, vacc);
51     y += 4;
52   }
53   if XNN_UNLIKELY(n != 0) {
54     const __m128 vx = _mm_loadu_ps(x);
55 
56     __m128 vacc = _mm_mul_ps(vx, vslope);
57     vacc = _mm_blendv_ps(vx, vacc, vx);
58 
59     if (n & (2 * sizeof(float))) {
60       _mm_storel_pi((__m64*) y, vacc);
61       vacc = _mm_movehl_ps(vacc, vacc);
62       y += 2;
63     }
64     if (n & (1 * sizeof(float))) {
65       _mm_store_ss(y, vacc);
66     }
67   }
68 }
69